What do all these fields mean?
Data for A and (B-C)'s orbit around one other:
Combined absolute visual magnitude: +7.73
Combined visual luminosity: 0.070 x Sol
Observed Separation: 295 A.U.s
Year of separation observation: 1934
As seen from A:
(B-C) would appear as magnitude -9.73
As seen from (B-C):
A would appear as magnitude -11.25
Data for B and C's orbit around one other:
Combined spectrum: M2.5 V
Combined absolute visual magnitude: +9.49
Combined visual luminosity: 0.014 x Sol
Period: 57.7 years
Semimajor Axis: 11.6 A.U.s
As seen from B:
C would appear as magnitude -15.84
As seen from C:
B would appear as magnitude -16.14
Component A:
Catalog numbers:
Giclas (G) 221-23, Luyten Two-Tenth (LTT) 11249
Right Ascension and Declination: 3h48m1.16s, +68°40'22" (epoch 2000.0)
Celestial (X,Y,Z) coordinates in ly: 11.2, 17.3, 52.8
Galactic (X,Y,Z) coordinates in ly: -41.4, 37.1, 11.3
Proper motion: 0.291 arcsec/yr (27.0° from north)
Radial Velocity: 4.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 3.84, 3.61, 23.8
Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +9.17
Absolute visual magnitude: +7.97
Visual luminosity: 0.057 x Sol
Color indices: B-V= +1.28, U-B= +1.20, R-I= +0.54
Diameter: 0.7 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.24 A.U.s
Angular size of star in sky in CZ: 1.569787 degrees
Component B:
Catalog numbers:
Giclas (G) 221-24, Luyten Two-Tenth (LTT) 11250, Catalogue Astrographique (AC) +68°1482
Apparent visual magnitude: +11.30
Absolute visual magnitude: +10.10
Visual luminosity: 0.0079 x Sol
Diameter: 0.54 x Sol
Comfort Zone (visual): 0.089 A.U.s
Angular size of star in sky in CZ: 3.229665 degrees
Component C:
Apparent visual magnitude: +11.60
Absolute visual magnitude: +10.40
Visual luminosity: 0.0060 x Sol
Diameter: 0.49 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.078 A.U.s
Angular size of star in sky in CZ: 3.364827 degrees